Grafting heteroelement-rich groups on graphene oxide: Tuning polarity and molecular interaction with bio-ionic liquid for enhanced lubrication
Mu, LW; Shi, YJ; Guo, XJ; Zhuang, W; Chen, L; Ji, T; Hua, J; Wang, HY; Zhu, JH
2017
发表期刊JOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
卷号498页码:47-54
文章类型期刊论文
摘要Two different heteroelement-rich molecules have been successfully grafted on graphene oxide (GO) sheets which were then used as lubricant additives in bio-ionic liquid. The grafting was processed with reactions between GO sheets and synthesized heteroelement-rich molecules (Imidazol-1-y1 phosphonic dichloride and 1H-1,2,4-triazol-1-yl phosphonic dichloride, respectively). The modified GO (m-GO) was added into [Choline][Proline] (KIWI) bio-ionic liquid, and has been demonstrated effective additive in promoting lubrication. Different characterization techniques have been utilized to study the reaction between GO and the two modifiers. The effect of molecular structure of the modifiers on the rheological and tribological properties of m-GO/[CH][P] lubricants was systematically investigated. Both theoretical calculation and experimental results demonstrated that the introduced heteroelement-rich groups are beneficial to increase the robustness of lubrication film by intensified hydrogen bonding and enhance the lubricant/friction surface adhesion by increased polarity of the m-GO. As a result, the interfacial lubrication could be significantly improved by these newly developed m-GO/[CH][P] lubricants. (C) 2017 Elsevier Inc. All rights reserved.
关键词Graphene Oxide Hetero-element Hydrogen Bonding Lubrication Ionic Liquids
DOI10.1016/j.jcis.2017.03.044
收录类别SCI
语种英语
WOS记录号WOS:000399855600005
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27335
专题中科院上海应用物理研究所2011-2018年
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Mu, LW,Shi, YJ,Guo, XJ,et al. Grafting heteroelement-rich groups on graphene oxide: Tuning polarity and molecular interaction with bio-ionic liquid for enhanced lubrication[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2017,498:47-54.
APA Mu, LW.,Shi, YJ.,Guo, XJ.,Zhuang, W.,Chen, L.,...&Zhu, JH.(2017).Grafting heteroelement-rich groups on graphene oxide: Tuning polarity and molecular interaction with bio-ionic liquid for enhanced lubrication.JOURNAL OF COLLOID AND INTERFACE SCIENCE,498,47-54.
MLA Mu, LW,et al."Grafting heteroelement-rich groups on graphene oxide: Tuning polarity and molecular interaction with bio-ionic liquid for enhanced lubrication".JOURNAL OF COLLOID AND INTERFACE SCIENCE 498(2017):47-54.
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